Is a minimum distance between a transformer and a substation mandatory?

Surprisingly, there are no prescriptive mandatory national statutes requiring minimum distances between transformers and substations. On the one hand, the authors share the opinion that compliance with mandatory codes and standards is a must.

What is battery energy storage system (BESS)?

The impact of the increasing number of renewable energy power plants may cause the power grid to face an effect or change the flow pattern of power systems, for example, the reverse power, power variation, etc. Therefore, the Battery Energy Storage System (BESS) has begun to be introduced widely as a part of solutions.

What is a substation?

The term substation within this paper means any stand-alone building, structure, or enclosed space that contains electrical distribution equipment. It includes prefabricated buildings or structures commonly referred to as power distribution centers (PDCs). The substations are assumed to have (a) liquid type transformer(s) located nearby.

Do MV transformers have a minimum spatial distance between substations?

Fire is always a concern with MV transformers and industry guidelines exist to provide minimum recommended spatial distances between liquid type transformers and substations. Unfortunately, the recommendations in the literature mentioned in this paper have differences.

Can a BSS be placed next to a substation?

But it’s not always possible to place the BSS right next to the substation, as there may be no available land, and if it’s not a utility project, the utility may not be willing to make the space, or it may have other concerns about where the system belongs.

What type of transformer does a substation have?

The substations are assumed to have (a) liquid type transformer(s) located nearby. The term transformer indicates a liquid type power transformer with either mineral insulating liquid (mineral oil) or ester liquids, but not silicone. Although not a common occurrence, transformers occasionally fail.